# Treetoscope Installer vs HydroCalc Basic

The clearest difference is in-app purchases: Treetoscope Installer at none against HydroCalc Basic's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HydroCalc Basic sells 1 one-off in-app purchase. Treetoscope Installer asks for nothing beyond the download.

Treetoscope Installer ships an update weekly, HydroCalc Basic every 11 days. The most recent releases landed on September 13, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Treetoscope Installer | HydroCalc Basic |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Size | 58 MB | 35 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Treetoscope](https://appshunter.io/developer/1660937077) | [Transparent Blue Water LLC](https://appshunter.io/developer/1847968351) |

## What reviewers say

### Treetoscope Installer

[App page](https://appshunter.io/ios/app/treetoscope-installer/id6752374441)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### HydroCalc Basic

[App page](https://appshunter.io/ios/app/hydrocalc-basic/id6752577110)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Flow Units & Ad-Free | $1.99 | one-time |


## Frequently asked questions

### Is Treetoscope Installer free?

Treetoscope Installer is free to download, with no in-app purchases.

### Is HydroCalc Basic free?

HydroCalc Basic is free to download, with in-app purchases available.

### Do Treetoscope Installer or HydroCalc Basic have ads?

Neither Treetoscope Installer nor HydroCalc Basic shows ads.

### Which is updated more often, Treetoscope Installer or HydroCalc Basic?

Treetoscope Installer ships an update weekly, and HydroCalc Basic every 11 days. Most recently, Treetoscope Installer was updated on September 13, 2026 and HydroCalc Basic on September 8, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*